Method legend_string

source/matplot/axes_objects/circles.cpp:40–44

    }

    std::string circles::legend_string(std::string_view title) {
        return " keyentry with circles linecolor var lw 4 fillstyle solid "
               "border linecolor 'black' title \"" +
               escape(title) + "\"";
    }

    std::string circles::data_string() {
        std::stringstream ss;